MICHELLE WILLIAMS & HEATH LEDGER

Talk about an amazing year: Williams, 25, settled in with beau Ledger, 27, got an Oscar nomination and had now-4-month-old Matilda. "Every day I'm more besotted with her," says the Brokeback Mountain actress of her daughter, who's already become accustomed to her parents' jet-setting lifestyle. "She's an excellent traveler."